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From Eric Friedman <>
Subject compact older partitions?
Date Sun, 30 Aug 2015 17:50:36 GMT

I have a table partitioned by year/month/day/hour/minute, where minute is a
10 minute slice.  Each minute slice gets about 1GB.

I'd like to rollup the older partitions by hour.  I've seen this done via
MapReduce (the resulting partition has __HIVE_DEFAULT_PARTITION__ in the
minute 'space'), but can't seem to find a way to accomplish this from hive.

Can someone please suggest an approach?

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